detection period: 2021-03-04 00:00-23:59 UTC
total number of suspected botnet IPs: 36347
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 33473
number of spam blocked: 0
recipient count of spam blocked: 0
The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | TencentCloud | 1903 |
| 2 | VNPT-VN | 950 |
| 3 | TENCENT-CN | 793 |
| 4 | VIETTEL-VN | 727 |
| 5 | DIGITALOCEAN-192-241-128-0 | 669 |
| 6 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 579 |
| 7 | ALISOFT | 570 |
| 8 | HINET-NET | 489 |
| 9 | VE-CSVE-LACNIC | 441 |
| 10 | CMNET | 404 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | China | 8590 |
| 2 | United States | 4073 |
| 3 | India | 2586 |
| 4 | Viet Nam | 2293 |
| 5 | Russian Federation | 2020 |
| 6 | Brazil | 1561 |
| 7 | Indonesia | 1129 |
| 8 | Thailand | 821 |
| 9 | France | 637 |
| 10 | Taiwan | 634 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 262409 |
| 2 | 112 | 152476 |
| 3 | 132 | 134160 |
| 4 | 1002 | 119115 |
| 5 | 22 | 83889 |
| 6 | 31 | 69946 |
| 7 | 30 | 63348 |
| 8 | 23 | 39283 |
| 9 | 111 | 32139 |
| 10 | 103 | 30597 |